Test element for optically testing biological fluids in clinical

Details Test element for optically testing biological fluids in clinical Test element for optically testing biological fluids in clinical

1994-05-13

1995-03-21

Warden, Jill A.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 57, 422 58, 422 8205, 436170, G01N 3122

Patent

active

053993152

ABSTRACT:
An integral test element for analysis of liquids comprising: a) a spreading layer for uniformly spreading within itself at least a substance of a liquid sample applied to the element; b) a reagent layer in fluid contact with the spreading layer and permeable to a substance spreadable within the spreading layer or to a reaction product of such a substance, the reagent layer having a chemically interactive material which, in the presence of the substance or of the reaction product of the substance, produces a detectable change in the element; and c) a radiation upconversion phosphor layer or crystal for producing an upconverted radiation when excited by visible or infrared excitation radiation from an independent source.

REFERENCES:
patent: 3992158 (1976-11-01), Przybylowicz et al.
patent: 5102786 (1992-04-01), Cohen et al.

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